@mastersthesis {1100, title = {Faunistical research on Pselaphinae fauna (Coleoptera: Staphylinidae) in several regions of south-west Bulgaria}, volume = {PhD}, year = {2007}, pages = {131}, school = {Sofia University {\textquoteright}St. Climent Ohridski"}, address = {Sofia}, author = {Bekchiev, R.} } @book {1091, title = {Catalogue of Palaearctic Coleoptera - Pselaphinae}, series = {Catalogue of Palaearctic Coleoptera. Hydrophiloidea - Staphylinoidea 2 vols. Revised and Updated Edition}, volume = {2.1}, year = {2015}, publisher = {Brill Books}, organization = {Brill Books}, chapter = {360-453}, author = {Schulke, M. and Smetana, A.}, editor = {L{\"o}bl, I. and L{\"o}bl, D.} } @article {799, title = {First purposive study of beetles (Coleoptera) from endogean environments in Bulgaria: collection sites and preliminary results}, journal = {Biodiversity JournalBiodiversity Journal}, volume = {6}, number = {1}, year = {2015}, pages = {327{\textendash}340}, author = {Bekchiev, R. and Gu{\'e}orguiev, B.} } @article {364, title = {Coleoptera and Hymenoptera (Insecta) from Bulgarian section of Maleshevska Planina Mountain: study of an until recently unknown biodiversity.}, journal = {Acta Zoologica Bulgarica}, volume = {61 }, number = {3}, year = {2009}, pages = {235-276}, abstract = {
}, author = {Gu{\'e}orguiev, B. and Ljubomirov, T.} } @conference {281, title = {New and interesting records of the MSS and cave fauna of Vitosha Mt., Bulgaria}, booktitle = {Balkan Speleological Conference {\textquotedblleft}Sofia{\textquoteright}2014{\textquotedblright},Sofia, Bulgaria, 28 {\textendash} 30 March 2014}, year = {2014}, pages = {66-76}, publisher = {Caving Club {\textquotedblleft}Helictite{\textquotedblright} {\textendash} Sofia}, organization = {Caving Club {\textquotedblleft}Helictite{\textquotedblright} {\textendash} Sofia}, address = {Sofia}, abstract = {
}, author = {Langourov, M. and Lazarov, S. and Stoev, P. and Gu{\'e}orguiev, B. and Deltshev, Ch. and Petrov, B. and Andreev, S. and Simov, N. and Bekchiev, R. and Antonova, V. and Ljubomirov, T. and Dedov, I. and Georgiev, D.} } @article {5, title = {The subfamily Pselaphinae (Coleoptera: Staphylinidae) of southwestern Bulgaria. I.}, journal = {Historia Naturalis Bulgarica}, volume = {19}, year = {2008}, pages = {51-71}, abstract = {
}, author = {Bekchiev, R.} }